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A167804 as a simple table

na(n)
15
223
325
429
547
653
771
8101
9125
10149
11167
12173
13191
14197
15239
16263
17269
18293
19311
20317
21359
22383
23389
24461
25479
26503
27509
28529
29557
30599
31625
32647
33653
34677
35701
36719
37743
38773
39797
40821
41839
42841
43863
44887
45941
46983
471031
481061
491109
501151
511223
521229

[5,23,25,29,47,53,71,101,125,149,167,173,191,197,
 239,263,269,293,311,317,359,383,389,461,479,503,
 509,529,557,599,625,647,653,677,701,719,743,773,
 797,821,839,841,863,887,941,983,1031,1061,1109,
 1151,1223,1229]